Q29
If for a system of N particles of different masses m1, m2, . . . mN with position vectors r _1,\, r _2,\,.\,.\,.\, r _N and corresponding velocities v _1,\, v _2,\,.\,.\,.\, v _N respectively such that _i v_i = 0, then
If for a system of N particles of different masses m1, m2, . . . mN with position vectors and corresponding velocities respectively such that then
A.
total momentum must be zero
B.
total angular momentum must be independent of the choice of the origin
C.
the total force on the system must be zero
AnswerD.
the total torque on the system must be zero
Answer: Option C
Solution
Answer: Option C
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